修改货币位置

app/code/[Vendor]/[Module]/etc/frontend/di.xm




<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">

    <preference for="Magento\Directory\Model\Currency" type="[Vendor]\[Module]\Position\Model\Currency" />

</config>

app/code/[Vendor]/[Module]/etc/frontend/events.xml




<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Event/etc/events.xsd">

<event name="currency_display_options_forming">
    <observer name="change_currency_position" instance="[Vendor]\[Module]\Observer\ChangeCurrencyPosition" />
</event>

</config>

app/code/[Vendor]/[Module]/Model/Currency.php


<?php

namespace [Vendor]\[Module]\Model;

class Currency extends \Magento\Directory\Model\Currency
{
    public function formatTxt($price, $options = [])
    {
        if (!is_numeric($price)) {
            $price = $this->_localeFormat->getNumber($price);
        }
        $price = sprintf("%F", $price);

        return $this->_localeCurrency->getCurrency($this->getCode())->toCurrency($price, $options);
    }

}

app/code/[Vendor]/[Module]/Observer/ChangeCurrencyPosition.php



<?php

namespace [Vendor]\[Module]\Observer;

use Magento\Framework\Event\ObserverInterface;

class ChangeCurrencyPosition implements ObserverInterface
{
    public function execute(\Magento\Framework\Event\Observer $observer)
    {
        $currencyOptions = $observer->getEvent()->getCurrencyOptions();
<span class="hljs-comment">//        $currencyOptions->setData('position', \Magento\Framework\Currency::LEFT);
        $currencyOptions->setData('position', \Magento\Framework\Currency::RIGHT);
        return $this;
    }
}